imtk

annotate src/imtk.c @ 9:1b27a69603ac

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fixed missing -lGLU from makefile
author John Tsiombikas <nuclear@siggraph.org>
date Sat, 16 Apr 2011 22:59:23 +0300
parents 09b6e8a5dc14
children 9c7987064bb0
rev   line source
nuclear@3 1 #include <stdio.h>
nuclear@2 2 #include <stdlib.h>
nuclear@1 3 #include <string.h>
nuclear@2 4 #include <ctype.h>
nuclear@4 5 #include <stdarg.h>
nuclear@0 6 #include <assert.h>
nuclear@0 7 #ifndef __APPLE__
nuclear@0 8 #include <GL/glut.h>
nuclear@0 9 #else
nuclear@0 10 #include <GLUT/glut.h>
nuclear@0 11 #endif
nuclear@0 12 #include "imtk.h"
nuclear@7 13 #include "state.h"
nuclear@1 14
nuclear@0 15
nuclear@0 16 void imtk_begin(void)
nuclear@0 17 {
nuclear@7 18 int width, height;
nuclear@7 19
nuclear@7 20 imtk_get_viewport(&width, &height);
nuclear@7 21
nuclear@0 22 glMatrixMode(GL_PROJECTION);
nuclear@0 23 glPushMatrix();
nuclear@0 24 glLoadIdentity();
nuclear@0 25 glTranslatef(-1, 1, 0);
nuclear@7 26 glScalef(2.0 / width, -2.0 / height, 1.0);
nuclear@2 27
nuclear@2 28 glMatrixMode(GL_MODELVIEW);
nuclear@2 29 glPushMatrix();
nuclear@2 30 glLoadIdentity();
nuclear@2 31
nuclear@2 32 glPushAttrib(GL_ENABLE_BIT);
nuclear@2 33 glDisable(GL_DEPTH_TEST);
nuclear@2 34 glDisable(GL_CULL_FACE);
nuclear@2 35 glDisable(GL_LIGHTING);
nuclear@0 36 }
nuclear@0 37
nuclear@0 38 void imtk_end(void)
nuclear@0 39 {
nuclear@2 40 glPopAttrib();
nuclear@2 41
nuclear@0 42 glMatrixMode(GL_PROJECTION);
nuclear@0 43 glPopMatrix();
nuclear@2 44 glMatrixMode(GL_MODELVIEW);
nuclear@2 45 glPopMatrix();
nuclear@0 46 }
nuclear@0 47
nuclear@5 48
nuclear@5 49 void imtk_post_redisplay(void)
nuclear@0 50 {
nuclear@5 51 glutPostRedisplay();
nuclear@0 52 }
nuclear@0 53
nuclear@1 54
nuclear@7 55 /*int imtk_listbox(int id, const char *list, int sel, int x, int y)
nuclear@4 56 {
nuclear@4 57 int i;
nuclear@4 58 assert(id >= 0);
nuclear@4 59
nuclear@4 60 if(!list) {
nuclear@4 61 return -1;
nuclear@4 62 }
nuclear@4 63
nuclear@4 64 if(id & 1) {
nuclear@4 65 id++;
nuclear@4 66 }
nuclear@4 67
nuclear@4 68 for(i=0; *list; i++) {
nuclear@4 69 if(imtk_button(id + i * 2 + 1, list, x, y + i * 20)) {
nuclear@4 70 sel = i;
nuclear@4 71 }
nuclear@4 72 list += strlen(list) + 1;
nuclear@4 73 }
nuclear@4 74 return sel;
nuclear@4 75 }
nuclear@4 76
nuclear@4 77 int imtk_combobox(int id, char *textbuf, size_t buf_sz, const char *list, int sel, int x, int y)
nuclear@4 78 {
nuclear@4 79 imtk_textbox(id + 1, textbuf, buf_sz, x, y);
nuclear@4 80 imtk_button(id + 3, "V", x + TEXTBOX_SIZE, y);
nuclear@4 81
nuclear@4 82 if(prev_active == id + 3) {
nuclear@4 83 sel = imtk_listbox(id + 5, list, sel, x, y + 20);
nuclear@4 84 }
nuclear@4 85 return sel;
nuclear@4 86 }
nuclear@4 87
nuclear@4 88 char *imtk_create_list(const char *first, ...)
nuclear@4 89 {
nuclear@4 90 int sz;
nuclear@4 91 char *buf, *item;
nuclear@4 92 va_list ap;
nuclear@4 93
nuclear@4 94 if(!first) {
nuclear@4 95 return 0;
nuclear@4 96 }
nuclear@4 97
nuclear@4 98 sz = strlen(first) + 2;
nuclear@4 99 if(!(buf = malloc(sz))) {
nuclear@4 100 return 0;
nuclear@4 101 }
nuclear@4 102 memcpy(buf, first, sz - 2);
nuclear@4 103 buf[sz - 1] = buf[sz - 2] = 0;
nuclear@4 104
nuclear@4 105 va_start(ap, first);
nuclear@4 106 while((item = va_arg(ap, char*))) {
nuclear@4 107 int len = strlen(item);
nuclear@4 108 char *tmp = realloc(buf, sz + len + 1);
nuclear@4 109 if(!tmp) {
nuclear@4 110 free(buf);
nuclear@4 111 return 0;
nuclear@4 112 }
nuclear@4 113 buf = tmp;
nuclear@4 114
nuclear@4 115 memcpy(buf + sz - 1, item, len);
nuclear@4 116 sz += len + 1;
nuclear@4 117 buf[sz - 1] = buf[sz - 2] = 0;
nuclear@4 118 }
nuclear@4 119 va_end(ap);
nuclear@4 120
nuclear@4 121 return buf;
nuclear@4 122 }
nuclear@4 123
nuclear@4 124 void imtk_free_list(char *list)
nuclear@4 125 {
nuclear@4 126 free(list);
nuclear@7 127 }*/